Comparison of IOP Measurement by Goldmann Applanation Tonometer, ICare Rebound Tonometer, and Tono-Pen in Keratoconus Patients after MyoRing Implantation

Table 1

Correlation of IOP measurements by GAT, Tono-Pen, and ICare tonometer (Pearson correlation coefficient).

	GAT-Tono-Pen	GAT-ICare	Tono-Pen-ICare
R	0.889	0.710	0.712
value	0.000	0.001	0.001